980579281 has 24 divisors (see below), whose sum is σ = 1095733800. Its totient is φ = 876775680.

The previous prime is 980579279. The next prime is 980579287. The reversal of 980579281 is 182975089.

It can be written as a sum of positive squares in 4 ways, for example, as 88661056 + 891918225 = 9416^2 + 29865^2 .

It is not a de Polignac number, because 980579281 - 2¹ = 980579279 is a prime.

It is a super-2 number, since 2×980579281² = 1923071452652953922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980579287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2469775 + ... + 2470171.

It is an arithmetic number, because the mean of its divisors is an integer number (45655575).

Almost surely, 2^980579281 is an apocalyptic number.

It is an amenable number.

980579281 is a deficient number, since it is larger than the sum of its proper divisors (115154519).

980579281 is a wasteful number, since it uses less digits than its factorization.

980579281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 980579281 is about 31314.2025445324. The cubic root of 980579281 is about 993.4840617656.

The spelling of 980579281 in words is "nine hundred eighty million, five hundred seventy-nine thousand, two hundred eighty-one".